[FFmpeg-user] converting aax to mp3

Carl Zwanzig cpz at tuunq.com
Sat Jun 23 22:20:32 EEST 2018

On 6/23/2018 12:04 PM, Mary Strimel wrote:
> ffmpeg version 2.6.9 Copyright (c) 2000-2016 the FFmpeg developers

That's two years and two major versions old (and pretty much unsupported). 
And since it says "Unrecognized option 'activation_bytes'." either option 
was misspelled or the executable wasn't built with the parts for decoding aax.

Start by getting a current build from http://ffmpeg.org/download.html and 
try that.



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